1987741509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{504631}}^1$

素因数の和:504748

約数の個数: 16

約数和(自身を含む): 2882457984

約数和(自身を除く): 894716475

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 504631, 1513893, 6560203, 19680609, 50967731, 152903193, 662580503, 1987741509]

約数ペア:

[(1, 1987741509), (3, 662580503), (13, 152903193), (39, 50967731), (101, 19680609), (303, 6560203), (1313, 1513893), (3939, 504631)]